After fixing all of the settings and parameters that were not installed correctly, it continued issue was identified There’s a tempering valve in the ceiling that is currently allowing the cold water to cross over onto the hot side. The tempering valve and a checked valves have to have failed for this to happen. The check valve on the hot the check valve on the cold and the tempering valve all need to be replaced. Along with the section of pipe that is currently dripping in between these things. This estimate is to replace these valves and fittings and restore hot water to the restaurant